Sleep : When Brain Cells Shrink & Neuro Trash Is Flushed Away - Facts So Romantic
▻http://nautil.us/blog/sleep-when-brain-cells-shrink--neuro-trash-is-flushed-away
This image from a mouse brain shows the fluid channels (purple) and glia cells (green) flush out the brain’s waste into blood vessels.Jeffrey Iliff1 and Maiken NedergaardFor humans, sleep is an absolute requirement for survival, almost on par with food and water. When we don’t get it, we not only feel terrible, but our cognitive abilities go downhill, and in extreme cases sleeplessness can lead to seizures and contribute to death. And while we share with many other animals this intense (...)